• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -O0 < %s | FileCheck %s
3target datalayout = "e-m:e-i64:64-n32:64"
4target triple = "powerpc64le-unknown-linux-gnu"
5
6define void @bn_mul_comba8(i64* nocapture %r, i64* nocapture readonly %a, i64* nocapture readonly %b) {
7; CHECK-LABEL: bn_mul_comba8:
8; CHECK:       # %bb.0:
9; CHECK-NEXT:    std 4, -8(1) # 8-byte Folded Spill
10; CHECK-NEXT:    mr 4, 3
11; CHECK-NEXT:    ld 3, -8(1) # 8-byte Folded Reload
12; CHECK-NEXT:    ld 9, 0(3)
13; CHECK-NEXT:    ld 8, 0(5)
14; CHECK-NEXT:    mulhdu 7, 8, 9
15; CHECK-NEXT:    ld 3, 8(3)
16; CHECK-NEXT:    mulld 6, 3, 9
17; CHECK-NEXT:    mulhdu 3, 3, 9
18; CHECK-NEXT:    addc 6, 6, 7
19; CHECK-NEXT:    addze 3, 3
20; CHECK-NEXT:    ld 5, 8(5)
21; CHECK-NEXT:    mulld 7, 5, 8
22; CHECK-NEXT:    mulhdu 5, 5, 8
23; CHECK-NEXT:    addc 6, 6, 7
24; CHECK-NEXT:    addze 5, 5
25; CHECK-NEXT:    add 3, 5, 3
26; CHECK-NEXT:    cmpld 7, 3, 5
27; CHECK-NEXT:    mfocrf 3, 1
28; CHECK-NEXT:    rlwinm 5, 3, 29, 31, 31
29; CHECK-NEXT:    # implicit-def: $x3
30; CHECK-NEXT:    mr 3, 5
31; CHECK-NEXT:    clrldi 3, 3, 32
32; CHECK-NEXT:    std 3, 0(4)
33; CHECK-NEXT:    blr
34  %1 = load i64, i64* %a, align 8
35  %conv = zext i64 %1 to i128
36  %2 = load i64, i64* %b, align 8
37  %conv2 = zext i64 %2 to i128
38  %mul = mul nuw i128 %conv2, %conv
39  %shr = lshr i128 %mul, 64
40  %agep = getelementptr inbounds i64, i64* %a, i64 1
41  %3 = load i64, i64* %agep, align 8
42  %conv14 = zext i64 %3 to i128
43  %mul15 = mul nuw i128 %conv14, %conv
44  %add17 = add i128 %mul15, %shr
45  %shr19 = lshr i128 %add17, 64
46  %conv20 = trunc i128 %shr19 to i64
47  %bgep = getelementptr inbounds i64, i64* %b, i64 1
48  %4 = load i64, i64* %bgep, align 8
49  %conv28 = zext i64 %4 to i128
50  %mul31 = mul nuw i128 %conv28, %conv2
51  %conv32 = and i128 %add17, 18446744073709551615
52  %add33 = add i128 %conv32, %mul31
53  %shr35 = lshr i128 %add33, 64
54  %conv36 = trunc i128 %shr35 to i64
55  %add37 = add i64 %conv36, %conv20
56  %cmp38 = icmp ult i64 %add37, %conv36
57  %conv148 = zext i1 %cmp38 to i64
58  store i64 %conv148, i64* %r, align 8
59  ret void
60}
61
62